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(11) | EP 4 231 239 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM |
| (57) Resulting from a reduction in the accuracy of a feature point obtained from a viewpoint
inclined with respect to the front direction of an object, the estimation accuracy
of three-dimensional coordinates of the feature point is reduced. Consequently, from
each of a plurality of images captured from a plurality of viewpoints, the feature
point of the object is detected (202) and attribute information indicating which area
of the object the detected feature point belongs to is appended (203) to the detected
feature point. Then, for each of the same attribute information, the three-dimensional
coordinates of the feature point are calculated (204) by using two-dimensional coordinates
of the feature point on the image corresponding to the viewpoints not more than the
plurality of viewpoints and not less than two.
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